private async Task <IEnumerable <S3ObjectVersion> > GetS3ObjectVersions(S3FileKey key)
{
var request = new ListVersionsRequest
{
BucketName = BucketNameConstructor.GetBucketName(key),
Prefix = key.Key
};
var result = new List <S3ObjectVersion>();
ListVersionsResponse response;
do
{
response = await AmazonS3.ListVersionsAsync(request);
result.AddRange(response.Versions);
request.VersionIdMarker = response.NextVersionIdMarker;
request.KeyMarker = response.NextKeyMarker;
} while (response.IsTruncated);
return(result);
}